| Nykobing Falster to Olympia Heights (Florida) | 4,868.43 mi (7,834.98 km) |
| Nykobing Falster to Omaha (Nebraska) | 4,566.85 mi (7,349.64 km) |
| Nykobing Falster to On Top of the World Designated Place (Florida) | 4,757.44 mi (7,656.36 km) |
| Nykobing Falster to Onalaska (Wisconsin) | 4,271.86 mi (6,874.89 km) |
| Nykobing Falster to Oneida (New York) | 3,788.60 mi (6,097.17 km) |
| Nykobing Falster to Oneonta (New York) | 3,797.82 mi (6,112.00 km) |
| Nykobing Falster to Ontario (California) | 5,609.37 mi (9,027.41 km) |
| Nykobing Falster to Ontario (Oregon) | 4,981.28 mi (8,016.60 km) |
| Nykobing Falster to Opa-locka (Florida) | 4,855.64 mi (7,814.40 km) |
| Nykobing Falster to Opelika (Alabama) | 4,677.49 mi (7,527.69 km) |
| Nykobing Falster to Opelousas (Louisiana) | 5,032.93 mi (8,099.72 km) |
| Nykobing Falster to Orange (California) | 5,629.46 mi (9,059.74 km) |
| Nykobing Falster to Orange (Texas) | 5,113.83 mi (8,229.91 km) |
| Nykobing Falster to Orange City (Florida) | 4,729.44 mi (7,611.29 km) |
| Nykobing Falster to Orangeburg (South Carolina) | 4,468.78 mi (7,191.81 km) |
